A simple Ruby script to draw a stripe across your terminal, marking a clear "line in the sand."
Clone the repository and alias mark.rb in your shell. My .bashrc alias looks like this:
if [ -x /Users/mlambie/Source/mark/mark.rb ]; then alias mark='/Users/mlambie/Source/mark/mark.rb' fi
Adjust your file path accordingly.
It's 9 lines of Ruby... do what you want with it.